msm7581 Oki Semiconductor, msm7581 Datasheet - Page 14

• Manufacturer Part Number: msm7581
• Description: Itu-t G.721 4ch Adpcm Transcoder
• Manufacturer: Oki Semiconductor

8 kHz Synchronous Signal
8 kHz Synchronous Signal
DECODER 4 Side
DECODER 1 Side
CODER 4 Side
CODER 1 Side
PCM Output
PCM Output
APPLICATION CIRCUIT
(Channel 4)
(Channel 1)
¡ Semiconductor
PCM Intput
PCM Intput
GND
V
V
DD
DD
100
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
NC
RES4
SYRP4
SIP4
SOP4
BCKP4
NC
SYXP4
PAD40
PAD41
NC
PLCKEN
V
GND
NC
PAD11
PAD10
SYXP1
NC
BCKP1
SOP1
SIP1
SYRP1
RES1
NC
DD
V
V
DD
DD
GND
V
DD
MSM7581
0.1 mF
+
-
10 mF
V
V
DD
DD
SYRP3
SYRP2
BCKP3
SYXP3
PAD30
PAD31
PAD21
PAD20
SYXP2
BCKP2
SOP3
SOP2
RES3
RES2
SIP3
LAW
GND
SIP2
V
NC
NC
NC
NC
NC
NC
DD
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
MSM7581
V
V
DD
DD
14/18
8 kHz Synchronous Signal
(Channel 3)
CODER 3 Side
PCM Intput
DECODER 3 Side
PCM Output
V
DECODER 2 Side
PCM Output
CODER 2 Side
PCM Intput
8 kHz Synchronous Signal
(Channel 2)
Shift Clock
(Channel 1 - 4)
64 kHz to 2048 kHz
DD